Buying Guides9 min read

SSD Price Per GB by Capacity 2026 [March]: NVMe vs SATA Comparison Table

·Updated March 10, 2026

The price per GB for an SSD is not uniform across capacities, and the differences are larger than most buyers expect. A 500GB NVMe drive currently costs $0.07 to $0.11 per GB. A 2TB NVMe from the same product line costs $0.04 to $0.058 per GB — up to 2.5× cheaper per gigabyte for buying four times the storage.

This guide gives you the full capacity-by-capacity breakdown for NVMe Gen 3, NVMe Gen 4, and SATA SSDs in March 2026, with current street prices from Amazon, Best Buy, and Newegg. If you want the live rankings updated daily, see all SSD prices ranked by $/GB.

The Full SSD Price Per GB Table by Capacity (March 2026)

These ranges reflect actual retail prices — not MSRP, not launch pricing, not inflated marketplace listings. They represent what drives from reputable brands (Crucial, WD, Kingston, Samsung, SK Hynix) actually sell for right now.

CapacityNVMe Gen 3 ($/GB)NVMe Gen 4 ($/GB)SATA SSD ($/GB)
128GB$0.10–$0.16N/A$0.09–$0.14
256GB$0.09–$0.14$0.10–$0.15$0.08–$0.12
500GB / 512GB$0.07–$0.11$0.08–$0.12$0.065–$0.10
1TB$0.055–$0.08$0.060–$0.085$0.050–$0.075
2TB$0.040–$0.058$0.045–$0.062$0.038–$0.056
4TB$0.040–$0.055$0.042–$0.060$0.042–$0.060
8TB$0.050–$0.069$0.055–$0.075N/A (rare)
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BuyPerUnit tracks every SSD listed above in real time and ranks by actual $/GB. The table above reflects March 2026 street prices — check live SSD prices for today's exact numbers before buying.

What the Table Actually Tells You

The 500GB tier is the worst value in the lineup

At $0.07 to $0.11/GB, a 500GB NVMe drive is the capacity where you pay the most per gigabyte for the least storage. A 500GB drive at $0.10/GB costs $50. A 1TB drive at $0.07/GB costs $70 — you get twice the storage for $20 more. This is almost always the right move.

The only reason to buy 500GB: Your device cannot use a larger drive (some ultrabooks with non-replaceable M.2 slots are physically limited), or you truly have no use for more than 500GB and want to minimize upfront spend.

The 2TB tier is the sweet spot

2TB NVMe drives hit the lowest per-GB cost in the entire lineup: $0.04 to $0.058/GB. A 2TB Crucial P3 Plus, Kingston NV3, or WD SN580 can be found under $90 regularly, sometimes under $80 during sales. At those prices, 2TB NVMe at $0.04/GB is the best dollar-per-gigabyte value you can buy.

This has been true since mid-2024 and continues into 2026. If you're buying a primary drive for a new build or upgrading an existing system, the 2TB tier is almost always the answer unless you have a specific reason to buy smaller or larger.

4TB is close — and worth it if you need the space

The 4TB tier sits at $0.04 to $0.055/GB — nearly identical to 2TB. That's a meaningful improvement from 2024, when 4TB NVMe drives carried a more significant premium. If you're filling a media library, doing heavy content creation, or just want to avoid ever worrying about storage space, 4TB is now priced close enough to 2TB that it's worth considering.

The price spread matters here: the difference between a 4TB drive at $0.042/GB and a 2TB drive at $0.042/GB is that you're spending $168 vs $84. Both are good value — it comes down to whether you need the capacity.

8TB goes the wrong direction

8TB NVMe drives exist and they're impressive — but the per-GB cost climbs back up to $0.05 to $0.069/GB. You're paying more per gigabyte than a 2TB drive. These drives serve specific use cases (dense media servers, workstations where physical drive slots are limited), but for most buyers, two 4TB drives or a single 4TB NVMe is more cost-effective.

128GB and 256GB: stop buying these

At $0.09 to $0.16/GB, small-capacity SSDs are expensive per gigabyte and genuinely too small for most 2026 use cases. A 256GB drive fills up fast with a modern OS, applications, and a handful of games or projects. The per-GB premium is real and the capacity limitation is painful.

If you're buying a cache drive, a dedicated OS drive in a server, or replacing a very old laptop, these capacities make sense. For any general-purpose build in 2026, start at 1TB.

NVMe Gen 3 vs Gen 4: Is the Price Difference Worth It?

Gen 4 NVMe drives typically cost $5 to $15 more than comparable Gen 3 drives at 2TB. The per-GB premium is small — usually $0.003 to $0.007/GB. Whether that premium is worth it depends on your use case.

Gen 4 is worth it if:

  • Your motherboard supports PCIe 4.0 (most Intel 12th gen+ and AMD Ryzen 5000+ systems do)
  • You do regular large-file transfers (video editing, game asset streaming, VM workloads)
  • You're buying a primary drive that you'll use for 3–5 years (Gen 4 support will only become more standard)

Gen 3 is fine if:

  • Your system is older (Intel 10th gen or earlier, Ryzen 3000 or earlier)
  • You're buying a secondary storage drive where sequential speed doesn't matter
  • The Gen 3 drive is meaningfully cheaper per GB right now

Gen 5 NVMe is not in this table because it is not a sensible consumer purchase. Gen 5 drives run $0.08 to $0.12/GB and offer sequential speeds that no current consumer workload can utilize. They also run hot enough to require active cooling in some cases. Wait for the next price cycle.

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Do not buy NVMe Gen 5 for general use in 2026. The per-GB cost is higher than Gen 4, the real-world performance benefit is zero for typical workloads, and thermal management is an added complication. Gen 4 is the current sweet spot.

SATA vs NVMe: The Per-GB Gap Has Closed

A few years ago, SATA SSDs were reliably cheaper per GB than NVMe. That gap has essentially closed at most capacity tiers in 2026.

Look at the 2TB row: SATA sits at $0.038 to $0.056/GB; NVMe Gen 3 sits at $0.040 to $0.058/GB. The difference is $2 to $5 on a drive. For $2 to $5 more, you get meaningfully faster sequential speeds (500 MB/s SATA vs 3,500+ MB/s NVMe) and an M.2 form factor that's easier to install in most modern systems.

When SATA still makes sense:

  • Your system has no M.2 slot but has an open 2.5" bay (older desktops, laptops from 2015–2018)
  • You're upgrading a NAS enclosure that uses 2.5" drives
  • The SATA drive is genuinely $10+ cheaper at your target capacity right now

For any system built in the last four years, SATA SSD is no longer the budget-conscious choice — it's just the slower one at the same price.

Compare All NVMe SSDs by Price Per GB

The Brands That Consistently Hit These Price Tiers

At the 2TB sweet spot in March 2026, the drives you'll find at $0.04 to $0.055/GB include:

Brand / ModelInterfaceTypical 2TB PriceApprox. $/GB
Crucial P3 PlusNVMe Gen 4~$80–$90~$0.040–0.045
Kingston NV3NVMe Gen 3~$75–$85~$0.038–0.043
WD Blue SN580NVMe Gen 4~$85–$100~$0.043–0.050
SK Hynix Platinum P41NVMe Gen 4~$90–$110~$0.045–0.055
Samsung 990 EVONVMe Gen 4~$90–$105~$0.045–0.053
Crucial MX500SATA~$75–$95~$0.038–0.048

Prices move weekly. These are representative ranges, not guarantees. The live SSD rankings update daily.

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Stick to reputable brands. The counterfeit SSD market is active — especially on Amazon's third-party marketplace. An unknown brand offering 2TB at $0.02/GB is a scam or a defective drive. A known brand at $0.04/GB is a legitimate deal.

When to Buy vs When to Wait

If you see a Gen 3 or Gen 4 NVMe drive from a reputable brand at under $0.055/GB for 2TB today, that's a price worth acting on. It may not be the absolute floor — NAND prices fluctuate — but it's solidly below average and not a price you need to wait on indefinitely.

For context on where prices are headed, see our SSD price trend analysis. The short version: prices have risen from the 2024 lows and there's no clear signal that a new floor is imminent. A good price now is a good price.

For a full breakdown of what counts as good, great, and excellent per-GB pricing, see what is a good price per GB for an SSD in 2026.

See All SSD Prices Ranked by $/GB — Updated Daily

Frequently Asked Questions

What capacity SSD has the lowest price per GB in 2026?

The 2TB tier consistently offers the lowest per-GB cost for NVMe SSDs — currently $0.04 to $0.058/GB. The 4TB tier is close behind. Small capacities (128GB, 256GB, 500GB) carry a significant per-GB premium and should be avoided unless you have a specific capacity requirement.

Is a 1TB or 2TB SSD a better value?

2TB. The price-per-GB is substantially lower at 2TB than 1TB in March 2026. A 2TB drive at $0.045/GB costs $90 — versus a 1TB drive at $0.07/GB for $70. You pay $20 more and get twice the storage. For most buyers, 2TB is the better purchase.

Is NVMe Gen 4 worth the premium over Gen 3?

At 2TB, Gen 4 typically costs $5 to $15 more than Gen 3 — a $0.003 to $0.007/GB premium. If your system supports PCIe 4.0 (most systems from 2020 onward do), Gen 4 is worth the marginal premium. The speed difference matters for large file workloads, and the future-proofing value is real.

Is SATA SSD still cheaper per GB than NVMe?

Not reliably in 2026. At the 2TB and 4TB tiers, SATA and NVMe Gen 3 prices overlap significantly. In some cases NVMe is actually cheaper per GB. The old rule that SATA was always the budget choice no longer holds — check live prices for the current spread before assuming SATA saves you money.

What is a good price per GB for a 1TB NVMe SSD?

Under $0.08/GB is good, under $0.065/GB is great, under $0.055/GB is excellent. At the 1TB tier in March 2026, prices range from $55 to $80, so there's meaningful variation. A 1TB NVMe at $60 ($0.06/GB) is a solid deal worth acting on.

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